Spring 2004 Data From
Thunder Cape Bird Observatory

A very productive season!

The twenty most common species banded at Thunder Cape in spring 2004.
With comparative numbers from previous years.
Overall ranking 1992-2003 in parentheses.

2004
Rank Species 2004 2003 2002 2001 2000
1 Chipping Sparrow (1) 696 159 436 306 242
2 Black-capped Chickadee (11) 541 8 639 4 4
3 Myrtle Warbler (4) 249 62 255 78 33
4 Blue Jay (5) 225 36 290 35 23
5 Nashville Warbler (9) 161 20 129 16 27
6 Western Palm Warbler (14) 133 31 50 29 22
7 Slate-colored Junco (3) 109 105 1172 11 0
8 Savannah Sparrow (15) 89 37 43 26 39
9 White-throated Sparrow (12) 85 47 142 16 44
10 Magnolia Warbler (10) 76 37 73 26 33
11 American Redstart (7) 68 104 103 80 71
12 Black and White Warbler (20) 65 27 25 13 20
13 Ruby-crowned Kinglet (24) 62 55 17 6 26
14 Common Grackle (34) 61 18 26 30 4
15 Swamp Sparrow (23) 60 9 41 15 13
16 Chestnut-sided Warbler (16) 54 12 46 11 13
17 Cape May Warbler (6) 45 9 27 5 8
18 Rose-breasted Grosbeak (30) 41 1 18 3 0
19 American Goldfinch (28) 39 18 48 25 15
20 Yellow-shafted Flicker (33) 38 7 18 26 9
20 Red-eyed Vireo (32) 38 10 15 13 9

2004 Rank	Species	2004	2003	2002	2001	2000
1	Chipping Sparrow (1)	696	159	436	306	242
2	Black-capped Chickadee (11)	541	8	639	4	4
3	Myrtle Warbler (4)	249	62	255	78	33
4	Blue Jay (5)	225	36	290	35	23
5	Nashville Warbler (9)	161	20	129	16	27
6	Western Palm Warbler (14)	133	31	50	29	22
7	Slate-colored Junco (3)	109	105	1172	11	0
8	Savannah Sparrow (15)	89	37	43	26	39
9	White-throated Sparrow (12)	85	47	142	16	44
10	Magnolia Warbler (10)	76	37	73	26	33
11	American Redstart (7)	68	104	103	80	71
12	Black and White Warbler (20)	65	27	25	13	20
13	Ruby-crowned Kinglet (24)	62	55	17	6	26
14	Common Grackle (34)	61	18	26	30	4
15	Swamp Sparrow (23)	60	9	41	15	13
16	Chestnut-sided Warbler (16)	54	12	46	11	13
17	Cape May Warbler (6)	45	9	27	5	8
18	Rose-breasted Grosbeak (30)	41	1	18	3	0
19	American Goldfinch (28)	39	18	48	25	15
20	Yellow-shafted Flicker (33)	38	7	18	26	9
20	Red-eyed Vireo (32)	38	10	15	13	9

Spring migration monitoring began April 27th and ran continuously until June 11th. The cool, wet weather throughout the spring resulted in an exceptionally productive banding season with 3,730 birds banded of 96 species. 8 species were banded for the first time ever at Thunder Cape, including the European Goldfinch in the above photo, and 17 species had their highest spring banding totals. No foreign recoveries were made. 25 birds were recovered from previous seasons at TCBO

Spring 2004 Highlights:
Red-throated Loon: a total of 93 birds observed
Pacific Loon: one observed on June 2
Caspian Tern: two observed on May 26
Chimney Swift: one observed on June 7
Red-bellied Woodpecker: one banded on May 19
Sage Thrasher: one banded on May 21, the 2nd one banded at the Cape
Indigo Bunting: 15 banded between May 19 and June 8
Oregon Junco: one banded April 29 and another May 10

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Spring 2004 Data From Thunder Cape Bird Observatory

Spring 2004 Highlights:

Spring 2004 Data From
Thunder Cape Bird Observatory